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Science > Astronomy > Flashcards

Astronomy Flashcards

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1
Q

ptolemy

A

A roman astronomer - known for the earth centered system

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2
Q

Copernicus

A

Made models with the sun in the center

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3
Q

Brahe, Tycho

A

finding positions of stars

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4
Q

Kepler

A

working on planetary motion

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5
Q

Galileo

A

(Father of modern science) Transition from renaissance to modern science

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6
Q

Newton

A

Laws of motion creator

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7
Q

Hubble

A

thought of other galaxies beyond ours

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8
Q

Ursa major

A

Greater she-bear star constellation

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9
Q

Ursa minor

A

Lesser she-bear sat constellation

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10
Q

orion

A

constellation named after a hunter

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11
Q

canis major

A

greater dog constellation

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12
Q

Casseopia

A

constellation named after a boasting queen

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13
Q

red giant

A

stars characterized by color and heat and size

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14
Q

white dwarf

A

star that is light colored, small, and a certain heat

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15
Q

Main-sequence star

A

90% of stars- fused hydrogen

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16
Q

supernova

A

a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.

17
Q

black hole

A

a region of space having a gravitational field so intense that no matter or radiation can escape.

18
Q

parallax

A

the effect whereby the position or direction of an object appears to differ when viewed from different positions.

19
Q

light-year

A

unit used to measure distance in astronomical size

20
Q

polaris

A

North star, Brightest star and points straight north

Science (11 decks)

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